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Off-Balance Sheet Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Amortization | $ 747 | $ 803 | $ 691
SBICs and other Limited Partnerships |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Investments | 21,700 | 17,000 |
Unfunded commitments | 6,800 | 5,500 |
Low Income Housing Partnerships |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Investments | 3,800 | 4,500 |
Unfunded commitments | $ 796 | $ 1,000 |

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